diff options
| author | Christoph Hellwig <hch@lst.de> | 2024-02-15 10:02:58 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-02-20 02:59:32 +0300 |
| commit | 066be10aef5a7ddd8ad537db7a5145c6d79d4ea2 (patch) | |
| tree | b4d1d5c133555120d3ce9091121d7613522ac65e /drivers/s390/block | |
| parent | 21b700c0812b6aa8f794c36b971772b2b08dab9a (diff) | |
| download | linux-066be10aef5a7ddd8ad537db7a5145c6d79d4ea2.tar.xz | |
scm_blk: pass queue_limits to blk_mq_alloc_disk
Pass the few limits scm_block imposes directly to blk_mq_alloc_disk
instead of setting them one at a time.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240215070300.2200308-16-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/s390/block')
| -rw-r--r-- | drivers/s390/block/scm_blk.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/s390/block/scm_blk.c b/drivers/s390/block/scm_blk.c index d05b2e2799a4..9f6fdd0daa74 100644 --- a/drivers/s390/block/scm_blk.c +++ b/drivers/s390/block/scm_blk.c @@ -435,10 +435,17 @@ static const struct blk_mq_ops scm_mq_ops = { int scm_blk_dev_setup(struct scm_blk_dev *bdev, struct scm_device *scmdev) { - unsigned int devindex, nr_max_blk; + struct queue_limits lim = { + .logical_block_size = 1 << 12, + }; + unsigned int devindex; struct request_queue *rq; int len, ret; + lim.max_segments = min(scmdev->nr_max_block, + (unsigned int) (PAGE_SIZE / sizeof(struct aidaw))); + lim.max_hw_sectors = lim.max_segments << 3; /* 8 * 512 = blk_size */ + devindex = atomic_inc_return(&nr_devices) - 1; /* scma..scmz + scmaa..scmzz */ if (devindex > 701) { @@ -462,18 +469,12 @@ int scm_blk_dev_setup(struct scm_blk_dev *bdev, struct scm_device *scmdev) if (ret) goto out; - bdev->gendisk = blk_mq_alloc_disk(&bdev->tag_set, NULL, scmdev); + bdev->gendisk = blk_mq_alloc_disk(&bdev->tag_set, &lim, scmdev); if (IS_ERR(bdev->gendisk)) { ret = PTR_ERR(bdev->gendisk); goto out_tag; } rq = bdev->rq = bdev->gendisk->queue; - nr_max_blk = min(scmdev->nr_max_block, - (unsigned int) (PAGE_SIZE / sizeof(struct aidaw))); - - blk_queue_logical_block_size(rq, 1 << 12); - blk_queue_max_hw_sectors(rq, nr_max_blk << 3); /* 8 * 512 = blk_size */ - blk_queue_max_segments(rq, nr_max_blk); blk_queue_flag_set(QUEUE_FLAG_NONROT, rq); blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, rq); |